DEFINE CLOUD COMPUTING

Oleksii TregubovCloud Computing Consultant

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WHAT IS CLOUD?

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STANDARD DEFINITION

The National Institute of Standards and Technology

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ESSENTIAL CHARACTERISTICS

On-demand self-service Broad network access Resource pooling

Rapid elasticity Measured service

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SaaS

PaaS

IaaS

SERVICE MODELS

End users

Developers

System architects

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Hybrid cloud

DEPLOYMENT MODELS

Public CloudPrivate Cloud

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ON-DEMAND SELF-SERVICE

Engineer

Cloud

Give me VM now

[ API request ]

[ result ]

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ON-DEMAND: AWS EC2

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ON-DEMAND: AWS EC2

$ ec2-start-instances i-b3a850c8INSTANCE i-b3a850c8 stopped pending

$ ec2-describe-instances i-b3a850c8RESERVATION r-0a7cf16e 852587906425 defaultINSTANCE

i-b3a850c8 ami-82fa58eb ec2-107-22-37-50.compute-1.amazonaws.com ip-10-122-235-23.ec2.internal

running amkeys 0 t1.micro 2012-09-03T14:13:56+0000 us-east-1a aki-825ea7eb

monitoring-disabled 107.22.37.50 10.122.235.23ebs paravirtual xenXNsFe1343912068109 sg-da0169b3 default

false BLOCKDEVICE /dev/sda1 vol-f8d0c899 2012-09-03T14:14:21.000Z true TAG instance i-b3a850c8 Name ubuntu-test-1TAG instance i-b3a850c8 Role webserver

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BROAD NETWORK ACCESS

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RESOURCE POOLING

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RAPID ELASTICITY

Time

Vis

itors

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MEASURED SERVICE

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Software as a Service (SaaS)

Platform as a Service (PaaS)

Infrastructure as a Service (IaaS)

SERVICE MODELS

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SaaS

PaaS

IaaS

SERVICE MODELS

System Architecture

Software Development

End-user Utilization

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EXAMPLE VENDORS

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IAAS

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PAAS

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SAAS

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BENEFITS

Global Infrastructure Savings Smart Resource Provisioning

Better Delivery Time Transparent Workflow

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REASONS FOR CLOUD PLATFORM POPULARITY

Cost reduction

Scalability and elasticity

Ready for automation

Device and locationindependent

Buzzword

Pay as you go